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BIO 256 TOP Exam Questions and CORRECT Answers
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Which involves movement of nutrients from food you have eaten from the gastrintestinal 
tract to the blood or lymph absorption 
Which brand of the nervous system inhibits salivation and caused you to have a dry mouth 
sympathetic nervous system 
Which of these is not a component of saliva nitric oxide 
Which stomach cells produce hydrochloric acid parietal cells 
The function of small intestine microvilli is increase surface area for absorption 
Which is not a component of bile digestive enzym...
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BIO 256 UPDATED Exam Questions and CORRECT Answers
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which is how food moves though the gastrointestinal tract by using peristalsis? 
propulsion 
saliva functions as lubricant 
which of the following is not true of saliva? contains enzymes that begin the 
breakdown of proteins 
which of the following stomach cells produce intrinsic factor? parietal cells 
which of the following is NOT a phase of gastric secretion? enterogastric 
the function of small intestine brunner glands is secrete alkaline mucus 
hepatocytes do NOT store fat soluble vitamin...
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BIO 256 Exam 1 Review Questions with Complete Solutions.
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BIO 256 Exam 1 Review Questions with Complete Solutions.
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Bio 256 Final Exam Questions with Complete Solutions
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Bio 256 Final Exam Questions with Complete Solutions
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Bio 256 Exam 1 Questions with complete Solutions
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Bio 256 Exam 1 Questions with complete Solutions
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Bio 256 Actual Exam Questions with Correct Answers
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Bio 256 Actual Exam Questions with Correct Answers 
 
Signal Transduction Mechanisms - Answer-• Cell-‐cell contact signaling - important in normal development and immunity 
• Electrical signaling 
- voltage-‐gated ion channels 
in nerve and muscle tissue 
- Channel opens in response to a change in the 
membrane potential 
• Voltage across a membrane due to differential 
concentration and charges of ions inside/outside the cell 
• Chemical signaling - ligand gated ion channels 
dete...
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BIO 256 Exam 1 Review Questions and Answers
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BIO 256 Exam 1 Review Questions and Answers 
 
function of saliva - Answer-begins starch and fat digestion, inhibits bacterial growth, binds food together to form bolus, dissolves molecules to stimulate taste buds 
 
two enzymes in the saliva - Answer-salivary amylase and lingual lipase 
 
salivary amylase function - Answer-begins starch digestion and breaks down polysaccharides 
 
lingual lipase function - Answer-activated by stomach acid and digests fat after food is swallowed and breaks down ...
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Bio 256 Exam 3 Questions and Answers
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Bio 256 Exam 3 Questions and Answers 
 
 
which of these is NOT a complication of aplastic anemia - Answer-hypertension 
 
which of the following is likely during vigorous exercise - Answer-capillaries of the active muscles will be engorged with blood 
 
the velocity of blood flow - Answer-is slowest in the capillaries because the total cross sectional area is the greatest 
 
which of the following factors does NOT influence heart rate? - Answer-skin color 
 
a motor neuron and the myofibers it ...
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Bio 256 Exam 4 Questions with Correct Answers
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Bio 256 Exam 4 Questions with Correct Answers 
 
Inspiration occurs with - Answer-alveolar pressure less than atmospheric pressure 
 
Surface tension exists in alveoli because - Answer-polar water molecules are more strongly attracted to each other than to gas molecules in the air. 
 
The lung volume representing the total volume of exchangeable air is the - Answer-vital capacity. 
 
Boyle's law states that - Answer-when the pressure of a given mass of an ideal gas is inversely proportional to ...